Toothbrush



FIG. 1 depicts a front bottom perspective view of a toothbrush of the present ornamental design;

FIG. 2 depicts a front top perspective view of the ornamental design shown in FIG. 1;

FIG. 3 depicts a rear elevation view of the ornamental design shown in FIG. 2;

FIG. 4 depicts a front elevation view of the ornamental design shown in FIG. 2;

FIG. 5 depicts a left side elevation view of the ornamental design shown in FIG. 2, wherein the toothbrush has left-right symmetry;

FIG. 6 depicts a top plan view of the ornamental design shown in FIG. 2; and,

FIG. 7 depicts a bottom plan view of the ornamental design shown in FIG. 2.

The broken lines showing the two sets of bristles illustrate portions of the toothbrush that form no part of the claimed design. 

CLAIM The ornamental design for a toothbrush, as shown and described. 